| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide techniques capable of maintaining users' interests over a long period without complicating the structure and rule of a roulette game device. SOLUTION: The stop of an index 32 which is displayed while being moved along an identification display 31 displayed in a display means is received, and the result of lottery is determined from the identification display 31 at the position where the index 32 was stopped, and the identification display 31 is changed. By changing the identification display 31, a bonus is distributed when identification displays of the same kind reach a predetermined percentage of the number of all the identification displays.</p> |
